Release 10.1A: OpenEdge Development:
Programming Interfaces

Host Language Call Interface

This document describes the OpenEdge Host Language Call (HLC) Interface in the following sections:

HLC and OpenEdge
Using HLC
Overview of HLC
HLC files and directories
Writing C functions
Avoiding common HLC errors
Memory allocation
Data size
Using HLC library functions
Building an HLC executable
HLC applications on UNIX systems
Compiling C source files
Example HLC application